GB2074411B - Switchable filter circuits - Google Patents

Switchable filter circuits

Info

Publication number
GB2074411B
GB2074411B GB8108262A GB8108262A GB2074411B GB 2074411 B GB2074411 B GB 2074411B GB 8108262 A GB8108262 A GB 8108262A GB 8108262 A GB8108262 A GB 8108262A GB 2074411 B GB2074411 B GB 2074411B
Authority
GB
United Kingdom
Prior art keywords
filter circuits
switchable filter
switchable
circuits
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8108262A
Other versions
GB2074411A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Redifon Telecommunications Ltd
Original Assignee
Redifon Telecommunications Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Redifon Telecommunications Ltd filed Critical Redifon Telecommunications Ltd
Priority to GB8108262A priority Critical patent/GB2074411B/en
Publication of GB2074411A publication Critical patent/GB2074411A/en
Application granted granted Critical
Publication of GB2074411B publication Critical patent/GB2074411B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
GB8108262A 1980-04-16 1981-03-17 Switchable filter circuits Expired GB2074411B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8108262A GB2074411B (en) 1980-04-16 1981-03-17 Switchable filter circuits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8012528 1980-04-16
GB8108262A GB2074411B (en) 1980-04-16 1981-03-17 Switchable filter circuits

Publications (2)

Publication Number Publication Date
GB2074411A GB2074411A (en) 1981-10-28
GB2074411B true GB2074411B (en) 1984-02-29

Family

ID=26275196

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8108262A Expired GB2074411B (en) 1980-04-16 1981-03-17 Switchable filter circuits

Country Status (1)

Country Link
GB (1) GB2074411B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209259A (en) * 1987-05-06 1989-05-04 Victor John Gordon Gale A mixed filter circuit

Also Published As

Publication number Publication date
GB2074411A (en) 1981-10-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee